Display screen with a graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen with a graphical user interface;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof;

FIG. 4 is a front view of a fourth embodiment thereof; and,

FIG. 5 is a front view of a fifth embodiment thereof.

The broken line showing of the outermost rectangle in the drawings depicts environmental subject matter and forms no part of the claimed design. The remaining broken lines illustrate portions of the display screen with a graphical user interface that form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen with a graphical user interface, as shown and described. 